1442280049 has 4 divisors (see below), whose sum is σ = 1648320064. Its totient is φ = 1236240036.

The previous prime is 1442280041. The next prime is 1442280089. The reversal of 1442280049 is 9400822441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9400822441 = 21089 ⋅445769.

It is a cyclic number.

It is not a de Polignac number, because 1442280049 - 2³ = 1442280041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442279996 and 1442280023.

It is not an unprimeable number, because it can be changed into a prime (1442280041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103019997 + ... + 103020010.

It is an arithmetic number, because the mean of its divisors is an integer number (412080016).

Almost surely, 2^1442280049 is an apocalyptic number.

It is an amenable number.

1442280049 is a deficient number, since it is larger than the sum of its proper divisors (206040015).

1442280049 is an equidigital number, since it uses as much as digits as its factorization.

1442280049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206040014.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1442280049 is about 37977.3623228365. The cubic root of 1442280049 is about 1129.8389226636.

The spelling of 1442280049 in words is "one billion, four hundred forty-two million, two hundred eighty thousand, forty-nine".